421145300

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{21821}}^1$

素因数の和:22028

約数の個数: 36

約数和(自身を含む): 918662556

約数和(自身を除く): 497517256

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 772, 965, 1930, 3860, 4825, 9650, 19300, 21821, 43642, 87284, 109105, 218210, 436420, 545525, 1091050, 2182100, 4211453, 8422906, 16845812, 21057265, 42114530, 84229060, 105286325, 210572650, 421145300]

約数ペア:

[(1, 421145300), (2, 210572650), (4, 105286325), (5, 84229060), (10, 42114530), (20, 21057265), (25, 16845812), (50, 8422906), (100, 4211453), (193, 2182100), (386, 1091050), (772, 545525), (965, 436420), (1930, 218210), (3860, 109105), (4825, 87284), (9650, 43642), (19300, 21821)]